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2. visual art and design
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Wallpaper 1x1
A Textbook for Craftsmen and Those who wish to Be
by
Wolfgang Raith
By order of the A.S. Création Tapetenstiftung
A.S. Création Tapetenstiftung
Dear Readers, Dear Wallpaper Friends,
Better education means more chances
in life. A truism? No, this has always
been the case, and is so today more
than ever – as many young people can
attest. Together with the A.S. Création
Tapetenstiftung, we rise to this social
challenge of delivering knowledge.
Our activities are ever more strongly
in demand – as was evident in the
roughly 150 seminars that we conducted with the VDT (Verband Deutscher
Tapetenhersteller) in the past year. Or
in the competition for young painters,
held with the federal association Farbe
Gestaltung Bautenschutz.
How can we, and how can the wallpaper sector, contribute to better
training? We are not bakers and don’t
know how the best rolls should be
baked. But we know wallpaper, and
we can bring the experts – teachers,
authors and designers from the world
of wallpaper – all to the table to create
something useful.
You have in your hands the new
“Wallpaper 1x1”. The established
specialist and author Wolfgang Raith
shows once again how to work and
design with wallpaper products. The
initiative, started in 2006, has clearly
lost none of its appeal. The success
of this textbook, we have often been
told, lies not only in its description of
wallpapering itself, but in its coverage
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of the wider field of knowledge relating
to the topic. Wallpaper, after all, also
means design, creativity, and in the
extended sense, living.
That living also means wallpaper
I need scarcely mention. You can
see for yourself what a broad scope
wallpaper design captures in the
public eye. Recently I had a sense of
accomplishment: even in a southern
“non-wallpaper” country, decoration
with our products is increasing, as
I was told by a dedicated wallpaper
professional. There the trend toward
premium wallpapers, toward exceptional walls, was pronounced. And:
these must be perfectly applied.
So join us, take advantage of the opportunity to expand your knowledge,
and let “Wallpaper 1x1” inspire you!
Sincerely,
Franz Jürgen Schneider
A.S. Création Tapetenstiftung
January 2012
Table of Contents
Design and Trends ............................................................
Wallpaper Patterns .............................................................
Wallpaper Colours ..............................................................
Wallpaper Lends Atmosphere ............................................
Colour Effect .......................................................................
Designing with Wallpaper ...................................................
Wallpaper Changes Rooms ................................................
Living Types and Style ........................................................
Wallpaper Trends ................................................................
4
6
8
10
12
14
18
20
22
The Science of Wallpaper ................................................ 34
The History of Wallpaper .................................................... 36
Wallpaper Production ......................................................... 41
Types of Wallpaper ............................................................. 44
Quality Characteristics ........................................................ 59
Wallpapering Symbols ........................................................ 60
Testing the Wall Surface ..................................................... 62
Preparing the Wall Surface ................................................. 64
Assessing Requirements .................................................... 68
Wallpapering Tools ............................................................. 70
Applying Wallpaper ............................................................. 72
Detail Work ......................................................................... 78
Wallpapering Ceilings ......................................................... 82
Creative Borders ................................................................. 84
Wallpaper Ideas ................................................................... 86
Material Wallpapers............................................................. 88
Digital Wallpapers................................................................ 90
Functional Wallpapers ........................................................ 91
Imprint and Recommended Literature ................................ 92
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4
Design and Trends
Creating Beauty
Three things are required to achieve a room with
atmosphere: knowing the game of current living
trends, skilful mastering of the design repertoire,
and, last but not least, providing expert advice to
customers.
Meeting this challenge requires a certain design
confidence. Only those who know what effect certain
colours and patterns have and how to create a
particular atmosphere with wallpaper can live up to
expectations. Yet the most important point remains
becoming familiar with the lifestyle and wishes of
customers, so that the change in scenery will be
more than just a renovation.
5
Wallpaper Patterns
more than just a decoration or stylistic device
STRUCTURE (natural)
MOTIF (figurative)
ABSTRACT (formalistic)
systematic
dynamic
free – unsystematic
Wallpaper is much more than just decoration. It is a design element with which
rooms can be altered and style created.
The nature of a wallpaper is its pattern.
Once we understand how patterns can
change rooms and what powers of expression they possess, our design options
expand.
If you more closely examine the type of
wallpaper pattern, you will see that it is
either objective, abstract or organic in
structure.
In the case of objective motifs, the visual
message stands in the foreground. Astract
wallpaper patterns thrive on their geometrical expression. Textured wallpaper,
on the other hand, possesses its own
materiality and substance.
Depending on how strictly, relaxed or
rhythmical a pattern is arranged, the character and expression of the wallpaper is
changed accordingly. Strongly geometrical
patterns, for instance, have a stabilising
effect. Motifs with motion are challenging
and lively in the room. In contrast, unsystematic, randomly scattered structures
create a natural atmosphere.
In the examination of patterns and ornament, colour also plays an important role.
If the pattern expresses a message and
style, it is the colour which evokes emotion. An especially convincing solution can
be had when the wallpaper pattern and
colour complement each other.
7
Wallpaper Colours
Order in the Colour Chaos
and olive. From orange, we get apricot
and terracotta.
Within the colour system, a colour is
clearly defined by its hue, saturation
and brightness. “Hue” refers to the
colour spectrum, that is, red, yellow,
blue, etc. The term “saturation” describes the purity and luminosity of
the colour.
Why do we need a colour system?
The untrained eye can differentiate
between 100,000 shades. It is hard
to describe them. Even the wealth
of colour names in our language is
hardly enough to name each individual
colour.
In order to nevertheless be able to
communicate, a colour system or colour collection is required. Only then
can planners, craftsmen and customers speak about and plan colours, even
at long distances.
Today, several colour systems are
in competition for users’ attention.
Whether spatial models are used in
the shape of double cones, spheres,
cubes or cylinders, the goal is always
to put colours in a logical order with
equal intervals. The basis of all systems are the pure hues as we know
them from the rainbow: red – orange
– yellow – green – blue – violet. Beginning with these intense hues, shades
are created that are lighter, darker,
and subdued. When red is lightened,
it becomes pink, when darkened,
burgundy, and when greyed, becomes
auburn. Yellow becomes light yellow
8
Pure hues are seldom found in interior
decorating. Instead, pastel colours and
subdued nuances of hues dominate
practical design. As a result, the collections of wallpaper manufacturers
show few strongly-coloured tones. In
contrast, pastels and subdued colours
are always present.
Pastel colour circle
Saturated colour circle
The ACC colour system, for instance, places the colours in order
of lightness, saturation and hue
in the form of a cylinder. The pure
hues are situated on the equator
and the non-colours white, grey
and black are on the central axis.
Achromatic colour circle
<---------------------------------------------------- Darker
Lighter ---------------------------------------------------->
<------------------------------------------------------ Hue ------------------------------------------------------>
Wallpaper Lends Atmosphere
Interpreting Colour Tones
No matter what wallpaper we choose,
it will only produce the desired atmos­
phere in a room if its tone is right.
Colours influence our feelings and
establish mood. They are possibly
the most emotional element in room
design. Knowing what effects colours have and how they determine
our moods can assist us in the skilful
employment of wallpaper.
Colours based on nature are also
generally colours that we perceive as
familiar. Colours that create feelings of
familiarity and that we associate with
expressions such as country, nature,
and home, are important when decorating a room. In our part of the world,
with fertile earth and a sufficient water
supply, nature greets us in variations of
greens and browns. Brown, in all of its
nuances, is a stabilising colour that, in
a wallpaper, lends a room tranquillity.
Dark green tones, too, such as pine or
moss green in combination with brown
have a safe and stabilising effect.
Green tones on the whole generally
have a calming influence on inhabitants of a room. However, rooms done
in such natural colours do not generate
feelings of comfort in everyone. Their
darker variants sometimes have an
oppressive and confining effect.
When the desired effect is to create a
feeling of space, blue tones with lots
of white are essential. Especially turquoise and light blue open up a room.
They have a clean, fresh and cool
feeling. The way the temperature of
a room is perceived can definitely be
influenced by colour. Blue is the coolest, and red is the warmest colour in
the spectrum.
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The various shades of red can generate very ambivalent moods. Pure red
has a strong, masculine and passionate expression. Pink, however, is soft,
airy, light and emotional.
Pastel tones, that is, lightened shades
of a hue, always tend toward lightness
and stillness. The combination of light
green with yellow or pink, for instance,
creates a spring-like, gentle and feminine atmosphere.
Greyed, broken tones, on the other
hand, are hardly suitable to stimulate
feelings. They appear impersonal and
lacking in significance.
We see colours that resemble human
skin as being especially comfortable
and maternal, especially the nuances
of orange: Apricot, terracotta, light
ochre, sand, etc., are colours that emanate a feeling of cosiness. In addition,
orange is the colour of indulgence.
Thus is not just a coincidence that dining rooms and restaurants are often
done with colours in that range.
In all cultures, the sun is of enormous
significance. In many religions, a
golden colour embodies the power of
the divine. Yellow tones always possess a positive and energetic mood.
This radiating effect is translated to
the room itself. Using light yellow,
even rooms facing north that hardly
get any direct sunlight can be made
bright and inviting.
Colour Effect
Psychological
Optical effect in the room
Symbolic – associative
A Brief Psychology of Colours
In psychology, colours are said to have
a special effect. For example, blue is
considered a cool colour, red as warm
and yellow as a luminous colour. Of
course this is a very simplified view
and cannot be translated par for par
to decorating a room with wallpaper.
For instance, a cherry-red carpet
combined with black furniture before a
white wall obviously has quite a differ-
ent effect than the same carpet with
white furniture and ochre wallpaper.
Irrespective of individual differences,
however, we can define elementary
meanings for colour ranges that are
similarly perceived by the majority of
people of a single culture.
Yellow
Orange
Red
Pink
Brown
sun, light, glory,
divine energy,
attention
desire, joy, cheer,
indulgence, energy
love, eroticism, heat,
fervour, stop, blood,
power, masculine,
purple: power, dignity
feminine, virginal
Mother Earth, soil,
wood
expanding, weightless, active, luminous,
dynamic, opening
pushing forward,
close, dynamic, active
approaching, active,
dynamic
expanding, light, soft,
unstable
stable, close, fixed,
balanced, immobile,
robust, indestructible
animated, cheerful,
giddy, optimistic,
spirited, extravagant,
squeaky, loud, releasing, liberating commu­
nicative; yellow with a
green tinge: sour
luminous, stimulating,
expanding, warm,
light, positive, loud,
optimistic, cheerful,
indulgent, dry
heavy, dynamic, ag­
gressive, exciting, in­­
vigorating, screaming,
challenging, material,
fiery, spicy, hot, passionate, extroverted,
strong-willed
sweet, gentle, soft,
whispering, sensitive,
emotional
safe, stabilising,
strengthening, dry,
buzzing, healthy,
edible, familiar,
sedate, cosy, modest,
real, physical
Many colours have symbolic meanings, such as red, which stands for
blood, or they conjure up certain associations, such as blue, which makes us think
of the sky and water. Colours possess
optical expressive qualities, have a heavy
or light effect, make things seem large or
small, close or far. In combination with
each other, they generate psychological
impulses that shape the colour experience.
Metallic colours possess their
own colour-material language.
Their unique colour effect is
superimposed with implications
such as valuable, precious, rare,
and expensive. For instance, a
grey derived from silver has a
static, neutral character superimposed with elegance. Gold
radiates like yellow, but has an
additional extravagant and precious effect.
Violet
Blue
Green
Grey
Black
White
magical, mystical,
immaterial, other­
worldly, artificial
water, sky, loyalty,
permanence, peace
health, nature,
vegetation, growth,
satisfaction, hope
indifference, objectivity, fog, stone,
concrete, shadow
death, mourning,
fear, taciturnity,
celebratory, night,
darkness, soot
openness, cleanliness, purity, innocence, perfection,
snow
heavy, constricting,
deep
light blue: expansive,
far, retreating, airy,
damp, passive
fresh, comforting,
passive, calm, immobile
static, immobile,
fixed, stable, inconspicuous, functional,
mitigative, impervious, passive
heavy, oppressive,
massive, terminating,
narrow, deep, cloaking, room-constricting
weightless, far,
expansive, endless,
source of light,
buoyant, passive,
objective, unlimited, directionless
cool, fresh, natural,
familiar, comforting,
growing, defensive,
life-giving, protective, insistent, harmonising
static, objective, inexpressive, denying
emotions, joyless, rea­
sonable, mute, brittle,
toneless, anonymous,
hopeless
static, distancing,
discomforting, conspiratorial,
secretive,
impervious
cool, silent,
sterile, unreal,
diffident,
unattainable,
beginning
dark blue: stable,
engrossing, heavy
melancholy, cool,
unsettling, depressing, aloof, suffering in
silence, pessimistic,
introverted, uplifting,
contemplative, dissatisfied
cold, reserved, fresh,
comforting, isolating,
intellectual, rational
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Designing with Wallpaper
Between Harmony and Excitement
Complementary Colours
Complementary colours have an exciting and
interesting effect. One combines colours whose
hues contrast most strongly with one another.
In colour circles that are only based on the three
primary colours yellow, red and blue, such as
that of Johannes Itten, complementary colours
are situated exactly across from each other in
the colour circle.
The design of a room is always perceived as being attractive and successful when its compositions are
harmonious and the design elements
match one’s personal living style.
By “composition”, we mean creating a
complete balance of the elements and
their relationship to one another. Thus,
design means giving things a compositional order. The goal is to create a
balance between order, harmony and
excitement.
In most households, people strive
toward a feeling of comfort, relaxation and harmony. But what exactly is
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harmony? In terms of interior design,
to simply equate the term harmony
with similarity would be a grave misconception. A living room with a carpet and wallpaper in one colour and
similarly arranged furniture is anything
but harmonic; it is boring and lifeless.
A design that is to be interesting and
appealing requires elements that generate excitement.
Non-colours (light-dark contrast)
Designs with non-colours – grey, black, and white
are straightforward to implement. The avoidance of
colour combined with a strong light-dark contrast
conveys a clear, graphic impression. This establishes
orderliness and gives the room a rather businesslike
character.
Monochromatic – that is, one-colour – combinations
also speak a distinct language, but are more emotive.
Similarly, the term “excitement”
should not be confused with contrast,
that is, opposites. On the other hand,
too much order is just as erroneous
as a completely chaotic combination
of things. Design is like music, in the
sense that a musician first studies
harmony, develops rhythms and uses
tones to form sounds and chords. Only
then does he or she begin to compose.
15
Related Hues, Neighbouring Colours
An effortless way of creating harmony is by
combining neighbouring colours. Such a
colour family establishes a distinct mood
in a room.
In addition to theoretical knowledge,
experience is the prime trait that
characterises a good designer. This is
one reason why interior design is so
difficult to the inexperienced. However, have no fear: With every project,
with every new challenge, your own
sensibility and knowledge about the
rules of design will grow.
Simple colour design rules are often
used to decorate a room: colours
having the same hue, poly and monochromatic colours, complementary
16
and qualitative contrast. The easiest
alternative is to use toneon-tone colours. Colours of a single hue can be altered to create pastels or grey-browns
by lightening or darkening them. In
tone-on-tone design, all colours have
the same hue. It is a simple concept,
yet it can be risky, because too much
similarity can quickly lead to monotony.
It is more stimulating to use a colour
composition based on opposites, such
as a complementary contrast. In Itten’s
12-part colour wheel, the complementary colours are always opposite each
other: red – green, orange – blue,
yellow – violet. Such complements
have an energetic and exciting effect.
Many architects value monochrome
colour design. Here, a single colour
is combined with achromatic colours
such as grey, white and black. The
tone is emphasised against the neutral
environment and sets an accent.
Using monochromes is especially suit-
able for representative design, such as
at trade shows or for sales rooms. In a
colour wheel, the colours most similar
to each other are next to each other;
these are analogous colours. If they
are combined with each other, a visual
suspense is created. The combination
of related hues creates a lively and spirited colour tone. If they are enhanced
by light nuances, a bright and animated
atmosphere results.
Quality Contrast
(chromatic – achromatic)
Monochromatic colour design made
from one chromatic and several
achromatic colours is especially suitable for representation purposes.
The element emphasised by colour is
brought to the forefront and
accented.
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Wallpaper Changes Rooms
high – low, wide – narrow, tight – loose
Our perception of a room is still unconsciously influenced by the archaic
natural experiences of humankind.
The sky above us is light, and the
ground below us dark. In spacious,
light-filled rooms, we feel insecure,
lost, and yet also free. Dark rooms
surrounding us like caves make us
feel constrained, yet also protected
and sheltered.
The order in which a room is observed
also originates from a primal instinct.
When we enter a room, we first glance
at the floor. We check the floor under our feet, sensing its stability and
walkability. Then we look around and
take in the environment, collect information and seek visual contact. Only
afterwards, when our orienteering has
turned into “boredom”, do the walls
enter our field of vision.
The room’s design can influence this
visual process of experiencing a room
from floor, to wall to ceiling.
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For instance, if a wall is papered with
strong colours or a flashy pattern,
that will be what visitors will primarily notice. This is known as a view or
accent wall.
A guide wall also attracts glances;
however, it then guides the eye to a
specific goal.
In addition to controlling glances and
movement, the design of a room can
influence its entire expression. Discrepancies in the architectural equilibrium can thus be compensated and
defects covered up.
Ceiling and Floor
If the floor is dark, it creates a foundation that lends the room stability and
security.
If the walls are kept in light colours, the
room appears generously-sized and
open. On the other hand, if the floor
and walls are darker than the ceiling,
the room looks higher, creating an opti-
cal “nest effect”. A dark ceiling gives
the room a sheltering roof, and makes
high rooms appear lower. If the ceiling
colour also appears somewhere else
on other elements, e.g. on furniture,
a balance is created, and the ceiling
seems less solitary.
Patterns
Large patterns in dark tones make the
wall surface smaller and shift proportions. Small patterns in light colours,
on the other hand, make a room optically larger.
Accent Wall
A darkly accented wall shortens a
room.
The accent wall forms the optical centre of the room. In front of such a wall,
furniture in contrasting colours has an
especially striking effect.
If the accent wall and floor surface are
designed similarly, they create an optical connection that shortens the room
and generates a sense of cosiness.
Stripes
Vertical stripes make a room narrower
while adding height. In contrast, horizontal stripes make a room look lower
and wider.
A discreet, horizontal accent in the
lower third of the wall surface, on
the other hand, lends tranquillity and
breadth.
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young
comfortable, cosy >
natural
crazy
textured
girlish
stony
organic
stylistic
herbal
floral
< stylish, elegant
typografisch
modern, youthful >
graphic
ornamental
delicate
illusionistic
nostalgic
stylish
< valuable, representative
romantic
material
extravagant
classic
A customer’s favourite designs and preferred collections can be pinpointed through an interview
using the Style Guide. An analysis of the questionnaire might reveal, for instance: 25% natural,
75% young, 63% design-oriented, 13% classic. The favourites lie within the marked area.
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design
Living Types and Style
The Living Environment – Personality and Zeitgeist
Using the “Style Guide”,
a simple, illustrated catalogue of questions, style
preferences can be determined in a playful way. It is
a great source of advice for
room planning.1
What we define as beautiful is always
partly a question of personality, our
likes and dislikes. Life circumstances
and the dominating zeitgeist play
important roles in this issue. Perhaps
a single person living in the big city
finds a gaudy, retro wallpaper chic. A
well-off elderly lady is likely to value
the sophisticated elegance of a classic
style. And a young family prefers the
harmonious colours and structures of
nature.
Whether or not we feel comfortable
within our own four walls thus depends on a number of factors. A feeling of well-being is achieved with more
than just a successful composition of
design elements alone. It is the answer
to the question of personal living style.
Yet, from the wealth of collections, materials, colours and patterns, it is not
exactly easy to find the right paper.
Using the “Style Guide”, a vividly illustrated catalogue of questions, you can
discover your personal preferences
in a light-hearted way. Here, you can
choose from four different living types:
natural – young – design-oriented
– classic. Thus, everyone can find the
perfect wallpaper for his or her type
and design task.
1 The “Style Guide” was produced by A.S. Création Tapeten AG in cooperation with the German-Design-Council (Rat für Formgebung).
21
Natural
Pure and Lasting
In the natural living style, the home is
a place for feeling. One lives healthily
and in accord with oneself. The lifestyle fulfils the dream of living in and
with nature.
There is no room here for exaggerated
extravagance. Natural materials and a
youthful formal vocabulary complement each other in a sensual manner.
Driftwood, faded items, root material,
fur, leather and wool provide a relaxed
atmosphere and ground the soul.
The interior design is inspired by colours from nature. The palette ranges
from pale brown and beige tones
through sunny yellow to soft green.
Organic textures such as birch bark,
wood grain or stone surfaces convey
familiarity.
22
Young
Trend-oriented and hip
In the world of the Digital Natives2,
the trends change quickly and dramatically. What is today an absolute
“must-have” will be declared a “nogo” in the Cloud by tomorrow. Never
was the interconnectedness more
universal – nor were the design trends
ever so global.
As straightforward as the media language online, so succinct are the
designs and patterns: dots, stripes,
honeycomb patterns. Young living
seeks contrasts. Furnishings appear
to be a colourful, tossed-together
jumble. After all, everything one likes
will simply go well together.
The young colours are brash and optimistic. Non-colours such as white
and black next to pigments like cyan,
purple, yellow, green, and red.
2 “Digital Natives”: the generation that has grown up with the Internet.
27
Design
Individual and Original
Metropolises such as Berlin, Shanghai
and Barcelona manifest the new global
design style.
Functionality and practicality are no
longer design’s guiding compass. The
popularity of architects such as Haid
Teherani or Zahra Hadid signal the
interest in visionary concepts. What
is sought are new creative approaches
and unusual perceptions.
Here, the interior draws its conviction
from an unusual use of materials and
its ultra-modern formal vocabulary.
Light-dark contrast informs the colour
arrangement. Kashmir brown, titanium, white, and colour extensions in
muted natural tones underscore the
graphic contrast.
28
Classic
Stylish and Elegant
A touch of luxury with a sense of stylish ambience hangs in the air.
The décor is sophisticated, with antiques and carefully coordinated accessory pieces rounding out the arrangement.
The colour palette of this style-oriented living is particularly understated.
Muted basic colours are contrasted
with plenty of white or beige.
Characteristic of classic clients are
borders and decorative trims: baroque
damask patterns, playful rose designs,
Toile de Jouy and arabesques – anything that ties in with the style of the
country estate. In general, this style
is steeped in the beauty of past times
and prizes high-quality hand crafting
and traditional luxury.
33
34
The Science of Wallpaper
History – Qualities – Handling
For every craftsman and designer, well-founded technical knowledge forms the basis of wallpapering.
Awareness of the various wallpaper qualities is just as
important as knowledge of correct installation techniques. Insight into the historical aspects and wallpaper
manufacture gives an extra dose of confidence to the
consultation.
Technical advances and changes in handling techniques go hand in hand. For instance, recently the traditional range of wallpaper models has been expanded
to include new types, such as non-woven wallpapers.
These new products simplify many aspects of working
with wallpaper.
Regardless, the same principle always applies: one
who has the necessary technical knowledge and
manual skills will be able to master any room setting
with aplomb.
The History of Wallpaper
A Brief History of Wallpaper
Wallcoverings made of embossed,
gilded leather and hangings of precious fabrics served as attributes of
feudalistic self-glorification starting in
the Middle Ages.
Brought by the Moorish occupiers to
Spain, this so-called Spanish leather
spread across vast areas of Europe.
In the 14th century, gilded leather
makers organised into guilds and
standardised production via strict
trade guild rules. The basis was tanned
hides that were first silvered, sealed to
prevent oxidation and then patinated
with an ochre-coloured gold varnish.
Subsequently, they were intricately
punched or embossed, sewn together
and mounted to the wall stretched into
wooden frames.
»The first printed wallpapers for middle-class households date from the
14th century. Yet only in combination
with paper manufacture and printing
was a type of volume production
possible. The precursors to modern
wallpaper, called “dominotiers”, were
produced in French and English paper
mills. They were printed using wooden
form blocks as early as the 17th century, and had repeat patterns that enabled continuous surface decoration.«3
At the time, the individual domino
papers measured only about 45 x 35
cm and had to be painstakingly placed
side by side. Towards the end of the
17th century, the first floor-to-ceiling
wallpaper webs and rolls measuring 12
yards x 21 inches (10.95 m x 0.56 m)
came from England. They consisted
of hand-made paper webs that were
glued together, and they considerably
simplified the job of wallpapering.
In addition, over time, ever more clever
hand printing techniques developed:
embossing, gilding, handpainting,
painting with stencils or wooden form
blocks, and sprinkling with micaceous
iron oxide or shoddy, thus generating
an ever wider palette of the most
diverse designs. One of the brilliant
highlights, however, was indubitably
reached in the socalled panorama wallpaper: continuous landscape scenes
across as many as 32 wallpaper strips,
printed with about 3000 different
wooden form blocks. Battle scenes,
cityscapes and landscapes modelled
after the old masters at first glance
look like they have been painted. The
most beautiful preserved pieces are
on display in the Kassel Wallpaper
Museum (Tapetenmuseum).
Around 1830, the invention of the circular scoop screen enabled the manufacture of endless paper. This marked
the most important step toward the
industrial production of wallpaper.
»Rotary printing was introduced as a
decisive innovation. Those machines,
initially driven by steam, enabled an
enormous increase in production as
well as lower prices. Up to 18 colours
could be printed simultaneously on the
giant drums of the collotype machine.
Engravers artfully equipped the solid
wood printing rollers with metal bars,
while larger colour areas were filled
in with felt.
In the long run, this handcrafted
method of producing the rollers was
inefficient, its printing performance
too weak. The sequential printing of
individual colours on modern presses
is more consistent and rapid.
3 Excerpted from “Tapeten”, Deutsches Tapeten-Institut (German Wallpaper Institute), Frankfurt, 1994 and 2000
36
Leather wallpaper, around 1780
Gold leather, Flemish, around 1730
Lincrusta, embossed, around 1910
Domino paper, around 1760 – 70
Collotype mural wallpaper, around 1815
Wallpaper has become clean, fast and
more flexible – and as a product, better
and more inexpensive.«3
In the Renaissance, the age of inventions and discoveries, the confidence
of traders grew. New impulses emanated from the major northern Italian
cities. Trade centres such as Venice
and Florence supplied precious fabrics
to serve as wallcoverings, including
velvet brocade and damask. The
decoration was symmetrical and done
in floral and Moorish ornaments and
bright colours. The most important
rooms of the prosperous bourgeoisie
were adorned with wood panelling and
“Spanish leather”.
The Baroque Age, the epoch of absolutism, was dominated by the penchant for representation of the secular
and clerical rulers. Louis XIV, the “Sun
King”, set the tone for style with his
royal suite. Life in general was subject
to stiff pomp and courtly ceremony.
Baroque was characterised by heavy
colours, punched gold leather wallpapers, opulent designs made of curved
bands and acanthus-leaf ornaments in
the most sumptuous displays. Often,
looks can be deceiving: For instance,
stucco was painted to resemble marble, grain was painted onto furniture
and flock wallpaper imitated real silk
brocade and tapestries.
Rococo, in the late Baroque period,
saw a transformation of the opulent
and heavy forms into more delicate,
saturated and light styles. Typical for
the time is the asymmetrical shell motif, called rocaille. Interior decoration
was to be a source of sensual pleasure
for the observer. The colours were
pastel and light, entwined by finely enlaced ledges in gold and silver stucco.
In addition to a delicate flower decoration, the so-called Chinoiserie was
very popular: Hand-painted Chinese
wallpapers with exotic motifs from the
world of Oriental flower painting were
considered the epitome of luxury.
Classicism; with the French Revolution, people returned to the linear
language of the ancients. Elements of
Greek and Pompeian painting and regime symbols such as laurel wreaths,
and columns are organised into strictly
symmetrical patterns.
Typical for classical wall decoration is
a division into vertical, decorated wall
areas. These so-called grotesques
are a symmetrical ornament mirrored
at a central axis. They show delicate
tendrils and fantastic motifs of Roman
origin.
37
1600
1650
1700
1750
1520 – German Renaissance – 1660
1800
1755 – German Classicism and Empire – 1830
1660 – German Baroque – 1800
1735 – German Rococo – 1780
Napoleon’s rise to Emperor defined the
beginning of the Empire style. It is primarily oriented on the Roman models of the
ancient world.
Biedermeier, a familiar style of the emerging bourgeoisie oriented toward comfort,
broke with the representative seriousness
of the Napoleonic Empire. Interior decorating became an expression of a simple,
virtuous lifestyle. Friendly wallpapers with
small patterns and romantic themes from
nature were fashionable. Also popular
were landscape rooms with panorama
wallpaper that opened up rooms to the
outdoors.
In Historism, an ever widening class of
ascent-oriented citizens turned toward
historical styles, practically arbitrarily. Proportions, patterns and colours were com-
38
bined just as confusingly as the styles that
were thrown together: Neo-Renaissance,
Neo-Baroque, Neo-Classicism or even
colonial Exoticism – a pluralism of styles
dominated. Pattern books, the so-called
“style books”, were indiscriminately copied and combined to form a flamboyant,
elaborately decorative style.
The development of rotary printing also
took place during this time of change and
the Industrial Revolution. It made surfaceprint wallpaper an affordable decorative
medium for everyone.
Art nouveau characterised the start of the
20th century with a stylistic change. The
new generation demanded brightness and
clarity. Right angles and symmetry were
abandoned in favour of an organic design
vocabulary. The new floral ornamentation
excited artists, architects, and commercial
1850
1900
1925
1905 – Art Déco – 1940
1890 – Art nouveau – 1910
1815 – Biedermeier – 1850
1920 – Functionalism
1820 – German Historism – 1910
designers alike. The handicraft enjoyed
renewed respect. Organic forms and lines
swing over walls, furniture and objects.
In Art Déco, the canon of forms became
objectified. A number of unusual wallpaper
designs resulted. Geometric and organic
themes combined and became abstract.
The German architectural associations
Werkbund (“Work Federation”) and Wiener Werkstätten (“Vienna Workshops”)
paved the way for New Objectivity.
Bauhaus, whose predecessors included
the Dutch movement “De Stijl” and the
“deutsche Werkbund”, propagated the
unity of handicraft and art. Its designs, in
their language of shape and colour, were
subordinate to objective purpose and function. The legendary Bauhaus wallpaper
collection and Le Corbusier’s single-tone
wallpaper marked the beginning of solid-
colour wallpaper as a modern substitute
for painted walls.
In the 1950s, the age of reconstruction
and the economic miracle, an optimistic
atmosphere of departure prevailed. People tried to repress the dismal war years.
Mosaics, kidney-shaped tables and fluted
lamps – the interior design was bright,
light and filigree. Inspired by the art of
the Moderns, fabrics and wallpapers
displayed abstract, graphic patterns and
pastel designs.
In the 1960s, the economic miracle bore
fruit. The “American way of life” influenced all realms of culture and lifestyle.
Wallpaper patterns became more respectable and traditional, living colours darker.
Student revolts and the moon landing
marked the turning point in wallpaper
design. In the so-called “Space Age”,
39
1950
1960
1970
1980
1990
2000
Postmodern
Constructive Functionalism
Deconstructivism
Late Modern
futuristic living utopias were generated
with pop and op-art patterns, flashy
colours and extra-large motifs.
Until the end of the 1970s, wallpaper experienced a veritable euphoria; especially
vinyl wallpaper was in demand.
Along with the oil crisis came the first
limits to growth. Shocked by RAF terrorism, a strong need for security developed.
Now, grass, velour, cork and metallic
wallpaper could be found on walls. Photo
wallpaper was also very popular. Themes
such as an autumn forest or palm beach
helped people forget their worries about
the future. When the ecology movement
gained strength from the mid-70s on, dark,
dull colours dominated rooms, echoing the
motto: “Jute instead of plastic”.
Since the 1980s, the concept of design in
rooms has gained in significance. Patterns
40
and colours take a back seat to textured,
light walls. Woodchip wallpaper painted
white is frequently stipulated in German
leases. Glass fibres dominate in buildings.
In the early 90s, creations by famous designers such as Lagerfeld, Sipek, Mendini,
Thun and others were meant to counteract
this trend. And yet the 90s were the age
of creative painting techniques – a trend
that wallpaper followed.
In early 2000, change was evident. Initially
employed in the film and advertising industry as a provocative element, patterned
wallpaper returned as a trend-setter.
Retro patterns and motif wallpaper once
again became all the rage. For the first
time, thanks to digital printing technology,
completely individual wallpaper designs
were possible.
Wallpaper Production
Printing Processes and Further Processing
of paper. A separate flexoprinting unit
is required for each colour.
impression roller
squeegee
Today, industrial wallpaper manufacture generally employs the rotary printing process. Each cylinder prints only
one colour. Several consecutive printing passes result in the final image.
printing plate
anilox roll
impression
cylinder
squeegee
Flexoprinting
Flexoprinting is a relief printing process that employs flexible, syntheticclad rolls. The elements to be printed
are raised, as on a rubber stamp, and
those not to be printed are recessed.
The printing unit primarily consists of
an anilox roll that serves to spread the
ink in as uniform a thickness as possible, and the actual flexoprinting roll
that stamps the design onto the web
gravure cylinder
Gravure
Rotogravure is a printing process
which, among other things, is used
for the production of magazines. It
enables patterns to be reproduced
with photographic accuracy while
maintaining a uniform quality level at
a high circulation.
The master is used to generate colour
separations that are digitally scanned
and transferred to the impression
cylinder via a laser. The ink collects in
the recesses and these little “cups”
then transfer the ink to the paper. By
printing colour upon colour, very subtle
transitions and colour gradients can be
achieved that are not possible in other
mechanical printing processes. Paper,
satin and metallic wallpaper can be
printed with this method. Gravure, in
addition to screen printing, is one of
the most common printing processes
for wallpaper today.
41
screen printing
cylinder
squeegee
impression
cylinder
Screen printing
Screen printing is ideal for printing
almost all materials. For smaller lots,
e.g. mural wallpapers, especially large
patterns or small artistic series, flat
screen printing is still used today,
whereas rotary screen printing is also
suited for large lot numbers and precise details.
Rotary screen printing is done with a
screen cylinder. A squeegee presses
the paste-like ink from inside through
the screen, which is perforated like a
stencil, onto the wallpaper web.
Especially wallpapers with malleable
surfaces, such as textured wallpaper,
are produced using rotary screen
printing. The paper, usually peelable
duplex paper of 120g/‌m2 in weight,
is printed with specially-prepared
pastes. After the last printing unit,
the web is transported to the gelling
oven, where the pastes are expanded
at temperatures of more than 200°C.
This produces that typical, relief-type
surface structure.
Digital printing is the newest development in wallpaper production. It
always starts with a digitised master
that is scanned, photographed or created in a graphics program. The customer, craftsman or planner provides
the wallpaper producer with a digital
sketch, photo or pattern of the desired
42
wallpaper, which is then individually
produced to match room dimensions.
This is not pre-fabricated wallpaper,
but rather wallpaper made “on demand”. That is the decisive advantage
to this new printing process.
Various digital printing techniques
compete against each other. Currently,
they include laser, inkjet, electrostatic
and thermosublimation printing. They
set limits primarily with regard to the
print substrate, durability and lightfastness. A process based on a dry toner
exhibits promising results. The usual
four printing colours CMYK (Cyan –
Magenta – Yellow – Black) are printed
sequentially, as they are in offset
printing, with a screen. The pattern
is transferred to heavy, non-woven or
paper substrate via an electrostatic
charge, similar to the laser printing
process. The toner powder sticks to
the electrostatically charged areas
and is immediately melted onto the
substrate at a temperature of 120°C.
In a further process step, the web
can then be embossed. This greatly
improves surface abrasion resistance.
light exposure
dry toner
cleaning
photoconductor
cylinder
toner fusing
Digital printing
duplex paper
embossing roll
anilox roll
impression cylinder
Embossed printing
Embossed printing is a reliable method of giving wallpaper a textured
surface. The printing and embossing
processes can either be performed simultaneously or sequentially. The web
is printed using a gravure process and
is relief-embossed under high pressure
between a positive and negative steel
roller. High-quality embossed wallpaper has several laminated layers. Two
paper or paper and non-woven plies
are embossed while the adhesive is
still wet, and dried. Such duplex embossed wallpapers are especially durable, and retain their good appearance
even after application to walls.
However, embossing is also used as
a finish. In the case of satin wallpaper, for instance, a synthetic-coated
paper is gravure-printed and its surface subsequently hot-embossed.
This so-called “embossing” lends the
wallpaper a fine texture with a glossy
effect reminiscent of satin.
At today’s production
volumes, ink is mixed
on the scale of tons.
Modern rotary printing machine.
In the foreground, paper webs on
large rolls and the pressure cylinders of the next series are laid out.
43
Types of Wallpaper
The right solution for every application
Wallpaper offers a vast spectrum of surface structures, colour qualities and substrate materials. The European norm for
wallpaper, known as DIN EN 235, divides
“wallcoverings on rolls” into two primary
groups: finished wallcoverings and those
that must be subsequently coated. All
wallcoverings must be labelled according to this classification on the wallpaper
package insert label. The DIN EN 235
norm classifies finished wallcoverings into
eight groups, according to their material
make-up:
Synthetic Wallcoverings
(with paper substrate)
Typical examples include flat vinyl wallpaper and textured wallpaper manufactured
via rotary screen printing on a paper substrate. Plastic granulate and other plastic
surfaces are also included in this category.
· Paper wallcoverings
· Synthetic wallcoverings
(with paper substrate)
· Synthetic wallcoverings
(without paper substrate)
· Non-woven wallcoverings
· Textile wallcoverings
· Flock wallcoverings
· Metallic wallcoverings
· Natural material wallcoverings
Non-Woven Wallcoverings
This type of wallpaper is relatively new,
and due to its ease in use, is becoming
more and more popular. To manufacture
nonwoven wallpaper, a one-sided impregnated non-woven substrate is used. It
primarily consists of cellulose and textile
fibres that are fixed with a bonding agent.
This ensures maximum dimensional stability. The material is also characterised
by a high degree of air and water vapour
permeability.
Heavy non-woven wallpaper can even
bridge cracks due to stress and shrinkage,
and is generally flame resistant in accordance with DIN 4102 B1.
A further special characteristic of nonwoven wallpaper is that the paste can be
applied to the wallpaper or the wall. In
addition, non-woven wallpaper does not
need any booking time, and can be used
in bathrooms.
Textured wallpaper on a non-woven substrate is also categorised under this EN235
group. Thus, several wallpapers are now
designated as non-woven wallpaper although they are evidently foamed textured
wallpaper. The difference can be seen by
Paper Wallcoverings
This category comprises all normal wallcoverings made of printed, embossed
and crushed paper. They can be colourdesigned, smooth paper wallcoverings,
as well as embossed types, in Germany
known as finished embossed wallpaper.
The two-ply embossed wallpapers called
duplex wallpapers are considered to be of
especially high quality.
The quality of wallpaper is determined
according to its raw weight:
· light wallpaper <110g/m2
· medium wallpaper 110–140g/m2
· heavy wallpaper >140g/m2
44
Synthetic Wallcoverings
(without paper substrate)
This group includes all wallcoverings with
a synthetic base that are not laminated to
a paper substrate or require a substrate.
Paper wallpaper
Satin wallpaper
Textured wallpaper
examining tears: If a fibre-like edge results
from ripping, it is a non-woven wallpaper;
however, if it is jagged and non-fibrous, it
is a paper substrate. This is a significant
difference, because paper wallpaper must
be “booked” or allowed to swell before
hanging, while non-woven wallpapers do
not require this step.
Textile Wallcoverings
Textile wallcoverings are among the oldest
type of wall decoration. Through all eras
and fashion trends, it has maintained its
place in interior decoration. It consists
of a bond of fibre systems on a paper or
non-woven substrate. There are many
variations: Small pieces of string, felt, bast,
synthetic or natural fibres, and even feathers are processed into textile wallpaper.
There is a difference between warp thread
wallpaper, in which the fibres are only
glued to the substrate in a vertical direction, and woven wallpaper, consisting of
criss-crossing or woven fibres. In addition,
textile wallpapers may also be printed with
patterns using the screen printing process.
Flock Wallcovering
Flock wallcoverings have been manufactured since the 17th century, with very
Textile wallpaper
little change in the process. The pattern
is applied with glue and electrostatically
flocked with very short natural or artificial
fibres. The fibres only stick to the areas
having the glue pattern, and the rest is suctioned off. This type of wallpaper, which is
difficult to hang, requires an expert hand.
In this country, velour wallpaper is only
significant in monument preservation or
for a style-oriented atmosphere.
Metallic Wallcoverings
Metallic wallpaper is almost always made
from a thin layer of aluminium foil that is
laminated onto a heavy or non-woven
substrate. Copper, gold or other metallic
effects create a translucent, colourful coating. A further way to decorate such paper
is by etching or oxidising the metallic foil.
Only a few small producers master this
complex handicraft. With its relatively
high price, such wallpaper remains a niche
product for discerning clientele. Metallic
effects, however, can also be produced
with the aid of interference pigments.
Using them greatly expands the printing
possibilities and is considered an affordable alternative.
45
Natural material wallpaper
Metallic wallpaper
Natural Material Wallcovering
Natural materials that are grown and
processed, such as grass, leaves or
cork, supply the vibrant surface of natural material wallpaper. In the 1980s,
this type of wallpaper was extremely
popular. Today, grass wallpapers and
natural cork wallpapers stemming
from East Asia, the latter made of cork
bark on a paper substrate, enjoy only
marginal sales.
unusual visions using digital print technology to create a unique work.
Mural Wallpaper
A further type of wallpaper not having
its own EN norm classification is mural
wallpaper.
Mural wallpapers are large photographic or illustrated motifs that stretch over
an entire wall. These are images that
are assembled from several pieces,
much like the traditional panorama
wallpapers. Previously, such small
series were the domain of flat screen
printing or photoprinting. Now, however, digital printing, with its flexibility
and capacity for individual production,
has opened up new horizons. Photo
and mural wallpapers are experiencing a renaissance. With them, artists
and designers can realise their most
46
Paintable Wallcoverings
A further primary group of the DIN EN
235 norm is that of wallcoverings that
undergo subsequent treatment. They
can be made of a variety of materials,
such as paper, glass fibre, synthetic or
textiles. Thus, they are semi-finished
products that only receive their finish
when they are painted.
In addition to the most familiar products, woodchip and glass fibre, several
niche products are on the market with
special characteristics, such as silica
coatings or CoverVlies non-woven wallpaper, treated with a coloured glaze.
But most of all, the ratio of structured
non-woven wallpaper is growing in
this market segment. Structured nonwoven wallpapers are generally composed of a non-woven substrate supplied with a plastic surface via foam or
granulate. The structuring possibilities
are virtually endless. Wood and stucco
imitations are just as prevalent for this
type of wallpaper as are geometrical
or artistic designs that can be painted
over.
Paintable wallpaper
Quality Characteristics
Quality Seal – Ecolabel – Test Symbol
Ecolabel RAL-UZ 35a
Wallpapers that have
been awarded the “Blue
Angel” environmental
label consist predominantly of recyclable, recycled paper. They must
conform to the requirements outlined
in DIN EN 71, Section 3: “Safety
Guidelines in Children’s Toys”.
FSC-Label 4
With the label “FSC Mix” the manufacturer indicates that the wood fibre
in its wallpaper comes from controlled
sources or is made of recycled material.
The label stands for a commitment
to responsible stewardship of forest
resources.
!
Flame Resistance
Until recently, the burn characteristics of wall coverings were
spelled out under the MPA designation according to DIN 4102.
Starting in 2011, all newly produced wallpapers must carry
a CE designation according to
EN 15102. The identification
number EN 13501-1, contained
within the CE indicator, shows
the applicable flame resistance
level.
Quality Seal
RAL-GZ 479
To satisfy consumer requirements of high quality
and non-toxicity, wallpaper
manufacturers have joined
together to form a quality
control association. Alongside the technical quality,
the RAL label above all assures the
customer that the so-labelled wallpaper poses no health or environmental
danger.
When selecting a wallpaper, customers will find important information regarding use, quality and
utility values below the product
order number. On the reverse of the
respective wallpaper section, it is
easy to verify whether the selected
wallpaper fulfils all necessary requirements.
4 Further information under “www.fsc-schweiz.ch” and “www.fsc.org”
59
Wallpapering Symbols
Designation and Symbols
The norm DIN EN 235 stipulates the
designation of wallcoverings. Generally, this designation includes important
information regarding washability, light
fastness, pattern match and pattern
repeat, application and the proper
method to remove the wallpaper. In
addition, a few manufacturers have
created their own symbols that are
not standardised and have more of a
commercial rather than an informative
character. The really important piece
of information is the lot number. It will
tell you whether or not all rolls are from
one and the same dye lot.
Batch number and usage
instructions can be found
clearly printed on the
label of the roll.
Light fastness
moderate light
fastness
satisfactory lightfastness
good lightfastness
very good lightfastness
very good lightfastness
Extra washable,
i.e. non-greasy or
non-oily dirt can
be wiped away
with mild soap and
water.
Scrubbable, i.e. dirt
can be removed
with mild soap and
water and a soft
brush.
Super-scrubbable,
i.e. dirt can be
removed with a
mildly abrasive
cleanser and a
brush.
Water and washing resistance
Waterproof to the
point of application. Paste spots
can be carefully
blotted away.
Spongeable, i.e.
light dirt can be
wiped with a moist
cloth or sponge.
Source: DIN EN 235 Wandbekleidung in Rollen; Begriffe und Symbole (Wallcoverings in Rolls; Terms and Symbols)
60
Pattern matching
Free match means
no attention need
be paid to the pattern when
hanging.
Straight match with
pattern repeat indicated in cm (e.g.
40/0); same patterns
are lined up next to
each other at the
same level.
Offset match with
pattern repeat and
offset indicated (e.g.
40/26); the pattern of
the following wallpaper strip must be offset
by the offset number
indicated.
Application
Apply paste to the
wallcovering (e.g.
with a wallpapering machine).
Horizontal application means the
strip is to be hung
horizontally, not
vertically.
Miscellaneous
Apply paste to the
surface to be papered (wall-pasting
technique).
Pre-pasted wallcovering; the reverse of
the wallpaper has an
adhesive layer that is
activated by briefly
wetting.
Removal
Strippable means
that the wallpaper
can be completely
stripped from the
wall in a dry state
for renovation.
Reverse alternate
lengths, i.e. every
second strip is to be
hung upside down.
Resistance; identifies special wallpapers with especially
durable, highly
resilient surface.
Overlap and double cut; the strips
are overlapped 5-8
cm and cut with an
edge trimmer.
Miscellaneous
Peelable, i.e. the top
layer of the wallpaper can be peeled
off in a dry state;
the bottom layer
remains on the wall
as lining paper.
Remove wet means
that the wallpaper
must be wet and
completely removed.
Double-embossed
wallcovering. The
embossing is of
high quality and
is retained during
wallpapering.
Matched to fabric,
i.e. matching curtain or upholstery
fabric is available
for this wallpaper
(not an EN norm
symbol).
61
Testing the Wall Surface
Test it first – then prepare it
It is no coincidence that one of the rules
of wallpapering is: “The person applying
the wallpaper is obligated to test the wall
surface for suitability.” Whoever fails to do
this is liable for any arising defects. Mistakes in wallpapering often have nothing
to do with defective paper or application
errors. Instead, the cause is frequently
insufficient testing or improper preparation
of the wall surface.
It is best to proceed methodically, e.g. in
accordance with the latest bulletin no.16
of the German Federal Commission for
Paint and Property Value Protection (BFS),
(Technical Guidelines for Wallpapering and
Pasting Instructions).
Test
62
!
Test the wall surface
before applying
wallpaper.
Description
Counteractive Measures
To determine the alkalinity, moisten the
plaster with neutral water and test using indicator paper. In the event of high humidity,
for natural material or metallic wallpaper, pH
values of more than 8 can be problematic.
Discolouration may result.
An insulating primer coat usually helps,
which, to be on the safe side, is covered with
non-woven lining paper. In any case, allow
fresh plaster to dry sufficiently.
Mould stains occur in high humidity, a lack
of airing, insufficient heating and a lack of
sunlight.
Thoroughly remove mould and treat area
with a fungicidal solution; if necessary, apply a base coat of fungicide. But be careful:
fungicides are harmful.
Measuring humidity with a hydromat only
supplies relative results. More precise but
more complicated are the calcium carbide
method (CM device) and the Darr method.
For both, a material sample is taken.
Allow the walls to dry. If time is short, use
an industrial dryer.
Superficial discolouration due to the seepage of soluble components, efflorescence
in the form of yellow salts or corrosion
stains, e.g. due to insufficiently covered
rebars.
Eliminate the source of the moisture damage. Allow the wall surface to dry. If there
is efflorescence, brush off the salt. If there
are corrosion stains, paint the metal components with a rust-proof paint. In the case of
discolouration, insulate with a sealer.
A scratch test reveals insufficient stability
of the wall surface.
Remove loose parts and, if necessary, set
the wall surface with a hydrosol primer
Chalking of the wall surface can be identified through a simple wipe test; the surface
rubs off.
Remove the chalking surface and, if necessary, set the surface with a primer.
A tear-off test using adhesive tape quickly
reveals any old paint layers that are not set.
Completely remove old loose layers of paint
before wallpapering.
If, during a spray test, water beads on
paperable concrete or cement surfaces,
this indicates formwork release oil residue
or a sinter layer. Usually, the surface will be
shiny and not very absorbent.
Even out surfaces having varying absorption
characteristics using a primer coat; if necessary, first lightly sand the entire surface.
1. Shrinkage, hairline or stress cracks
are short and relatively evenly distributed.
2. Cracks originating from the plaster base
can be identified by the way they run (see
left).
3. Constructional cracks are caused by
movements in the structure and are deep.
1. Even out the entire area using a fibrous
dispersion filler.
2. Reinforce with non-woven or woven
material.
3. Permanent bridging of cracks is only possible when the walls have settled.
63
Preparing the Wall Surface
The Nuts and Bolts of Wallpapering
Every wallpaper package insert probably states some version of the following: “The wall surface must be clean,
dry, hard, smooth and slightly absorbent. Old wallpaper and non-adherent
layers of paint must be removed and
any unevenness evened out.” Some
people, however, do not take these
recommendations seriously. Yet wallpapering can be so easy if wall surface
and wallpaper type are suited to each
other, and if some basic rules and tips
are observed.
Removing old wallpaper
Before wallpapering, any old layers of
wallpaper must always be removed.
By hand, this can be done with a ceiling brush, water, stripping solution and
a paint scraper.
Stubborn old wallpaper that cannot
be removed despite wetting it several
times can be perforated with a spike
roller. Washable and scrubbable wallpaper can be more easily removed in
this manner. However, if the wallpaper
was glued using an adhesive dispersion, the only thing that will help is
using a steam wallpaper stripping
machine to steam off the old paper. In
the case of old, peelable wallpaper, the
Primer Table according to BFS Leaflet No. 16
Water-based
Wallpaper
paste
Solvent-based
Liquid Wallpa- Wallpaper Primer Wallpaper Primer Wallpaper Primer
– removable
per Underliner – with pigment – colourless
Polymer resin
primer
Plaster P Ic – P III
+
+5
+
+
+
+7
Gypsum plaster P IV
+
-
-
+
-
+7
Concrete
+
-
+
+
+
+7
Gypsum wallboard
+
-
+
+
+
+7
Drywall
-
-
+
+
+
+7
Gypsum f ibreboard
+
-
+
+
+
+7
Derived wood products8
+6
-
+6
+6
+6
+
5 Only on slightly rough plaster and when pasting ingrain wallpaper, as well as for light to middle weight wallpapers. 8 Chipboard,
plywood and fibreboard. 6 Not for non-absorbent derived wood products. 7 Not recommended because of solvent emissions.
64
residual substrate could theoretically
be left on the wall to serve as lining
paper. However, in practise, this rarely
works. Bubbles often form when new
wallpaper is applied to it. It is definitely
better to completely remove the old
substrate.
Old paint
Layers of old, non-sustainable or
cracked paint or finish must be removed before wallpapering.
If this cannot be accomplished with
simple sanding, paint strippers will be
required.
Neutralisation
Wall surfaces of the mortar classes
PI to PIII, which include fresh lime
and lime-cement mortar, among others, are highly alkaline and should be
neutralised before wallpaper is hung.
The most common method is to use
a fluoscilicate solution, which transforms the base calcium hydroxide into
an insoluble calcium fluoride, thereby
neutralising the plaster surface. This
reaction also effectively seals water
spots.
Smoothing and flattening
Wall surfaces in new buildings are
generally ready to wallpaper. However,
you should not simply rely on this fact.
Often there are small flaws that can be
evened out with a filler, discolourations
that must first be sealed with a sealant, or a variety of absorbent plaster
types that need to be evened out.
In the living area of both old and new
buildings, one will primarily find three
different smooth wall or plaster types:
gypsum, beige-coloured lime finish
and gypsum plaster board. While fillers containing gypsum can be applied
directly to gypsum and gypsum plaster
board surfaces, these fillers cannot
be used on plasters containing lime
and cement, such as a lime finish. For
alkaline interior plaster, special fillers,
e.g. a dispersion filler, must be used.
65
That wallpaper can disguise flaws in
the underlying surface is a myth. Perhaps voluminous textured or fabric wall
coverings can, in some situations, hide
small unevennesses. But in glancing light, poorly plastered seams on
drywall boards show up as clearly as
blemishes and ripples in plaster.
Uneven, rough wall and ceiling surfaces are best smoothed out by plastering the entire surface. Specialty
stores stock joint compound specific to
this purpose, which can be efficiently
applied and thinned out to nearly nothing. These products are applied with a
smoothing trowel and, with the help of
a long aluminium scraper, skimmed off
over a large surface in a single motion.
After the plastering is finished, any
ridges are scraped away with a wall
and ceiling scraper. Finally, the surface
is sanded and the dust is removed.
Large surfaces such as ceilings can
be particularly efficiently treated with
a so-called “sanding giraffe”. This is a
mechanical circular sander with a large
sanding plate and a long handle.
Priming
The choice of the correct primer material depends entirely on the type and
properties of the underlying surface.
Primers can alleviate a too-strong
absorption, stabilize mildly sandy or
chalky paintwork, even out colour differences or prevent softening of the
paper on drywall boards.
Diluted hydrosol penetrating primer
stabilizes mildly sandy or chalky substrates. A white pigmented wallpaper
primer evens out colour differences in
the underlying surface. This is used primarily under thin, translucent wallpa-
Plastering gypsum board – Surface Qualities
according to Leaflet Nr. 2 of the Bundesverband der Gips- u. Gipsbauplatten-Industrie e.V.
Demands Placed on the Quality of the Plastering
suited to preparation of, for example:
Q1 – Basic Plastering
The butted edges of the gypsum boards are filled with compound
and the visible parts of the attaching hardware hidden. Depending
on the system, reinforcing strips may need to be laid in.
Tile and Boards
Q2 – Standard
          Plastering
On top of the basic plastering of Q1, the surface must be plastered again until a seamless transition to the board surface is
achieved, and if necessary the surface is also sanded.
Coarse-grained ingrain wallpaper and textured wallpapers, voluminous paint coating,
outer plaster with a granularity of > 1 mm
Q3 – Special
          Plastering
Q3 requires, in addition to Q2, a wider plastering of the seams
as well as a sharply drawn coating over the remaining paper
surface to close the pores.
Fine wall coverings such as satin wallpaper,
matt, f inely textured paint coatings, outer
plaster with a granularity of < 1 mm
Q4 – Full-surface
          Plastering
In addition to Q2, with a wider plastering of the seams, here the
entire cardboard surface is covered with an continuous plaster
layer (thickness > 1 mm).
smooth or shiny wall coverings such as
premium metallic or vinyl wallpapers; also
for high-quality polishing techniques
This table summarizes the requirements various materials place on the quality of the underlying plastering of drywall.
66
pers. Wallpaper-changing primer finds
its greatest use on surfaces that will be
frequently re-papered, such as in store
construction, rental housing, and on
tradeshow furnishings. A separating
emulsion of this type ensures that the
old wallpaper can be easily removed
in its dry state when it is time to repaper. Non-absorbent, hard surfaces,
on the other hand, such as plastics
or old enamel varnish, must first be
roughened by sanding, in some cases
treated with a stripping compound,
then grounded with a primer coat.
Liner Wallpaper
In the past it was common to prepare
walls with a primer paper before wallpapering. This compensated for any
tension between the wallpaper and
the underlying surface. Such tension
appears when the wallpaper swells
a great deal when it absorbs water,
then shrinks again when it dries. This
happens particularly in the case of
!
heavy wallpapers. Nowadays, where
most wallpapers have a non-woven
web substrate rather than one of paper, things are much simpler. Thanks
to modern non-woven wallpapers,
one can usually do without liner paper completely. If you have carefully
prepared the underlying surface, you
can fully enjoy the advantages of nonwoven wall coverings in removal and
re-papering.
Non-woven wallpapers can be easily handled, form no wrinkles, do not
require booking time, conceal small
hairline cracks, and are completely
dimensionally stable. Even the basic
rolled liner paper is more and more
often being replaced by liners made
of non-wovens.
Liner wallpapers are applied like other
wallpapers, in lengths butted against
each other. They are usually wider than
the wallpaper, ensuring that the liner
paper seams do not lie directly under
those of the wallpaper itself.
Guidelines and Bulletins
DIN EN 233 Regulations for finished paper, vinyl and synthetic wallpaper
DIN EN 234 Regulations for finished wallcoverings for subsequent treatment
DIN EN 235 Terms and symbols
DIN EN 259 Wallcoverings subject to high stress
DIN EN 266 Regulations for textile wallcoverings
DIN EN 13085 Regulations for cork rolls
DIN EN 15283-2 Gypsum boards with fibrous reinforcement - Definitions, requirements and test
methods - Part 2: Gypsum fibre boards
DIN 18299 General regulations for construction work of all kinds
BFS Bulletin No. 7 Testing guidelines for wallcoverings before hanging
BFS Bulletin No. 10 Coating, wallpapering and gluing on interior plaster
BFS Bulletin No. 11 Coating, wallpapering and gluing on porous concrete
BFS Bulletin No. 16 Technical guidelines for wallpapering and gluing work
BFS Bulletin No. 17 Coating, wallpapering and gluing on walls made of plaster board
BFS Bulletin No. 20 Evaluating wall surfaces for coating and wallpapering work;
measures to eliminate damage
Assessing Requirements
Calculate and check
Pattern repeat and offset
measurements need to
be taken into consideration when calculating
the number of rolls
needed. Some wallpapers even have offsets of
more than one metre!
In contrast to painting a wall, when
assessing the amount of wallpaper
you need, it will not suffice to calculate
the surface to be wallpapered. Firstly,
roll dimensions in Europe are limited
to 10.05m x 0.53m, which is why, for
normal room heights, only three full
lengths would result. Secondly, patterned wallpaper often requires the
pattern repeat to be calculated, meaning cutting off excess paper.
Depending on the type of pattern
repeat, the excess paper cut off will
have to be included in the calculation.
Free-matching wallpaper can be glued
without consideration of the pattern,
and can thus be cut continuously.
There is practically no cut-off waste.
For straight-matched patterns, the patterns of all strips are hung at the same
height. When cutting the strips, they
are laid out so that the motifs are right
on top of each other. For small pattern
repeats, cut-off waste is minimal.
When working with an offsetmatch
68
pattern, the patterns between strips
are offset. The measure of this offset
is indicated on the wallpaper roll label
along with the pattern repeat. For
instance, the indication 64/32 on the
label means a pattern repeat of 64cm
and a motif offset between the left and
right wallpaper edge of 32cm. Thus,
cut-off waste will be, at most, as large
as the indicated pattern repeat.
If the room has niches, slanted walls,
dormers, or bays, these details must
also be included in the calculation.
On the other hand, the areas of windows and doors are not subtracted
but simply disregarded when measuring, in accordance with the methods
stipulated by the German Construction
Contract Procedures (VOB) for painting work.
Ultimately, the exact number of rolls
needed can only be determined on
site or with the aid of an architectural
drawing.
Before hanging the
wallpaper, all rolls
should be checked
to make sure they
have the same batch
numbers to prevent
any differences in
colour.
Only wallpaper having the same batch
number can be hung
on a single surface.
To make a rough calculation of the
number of rolls required, this simple
rule of thumb can be used:
number = height x room volume : 5
Of course, this formula can only be
used for normed European wallpaper
rolls according to DIN EN 233 that
measure 10.05 x 0.53m. Imported
paper, borders, specialty wallpaper
such as natural material or metallic
wallpaper or even wallcoverings to be
used in large-scale buildings may have
different dimensions.
Checking delivered wallpaper
Of course it is obvious that you would
check goods that you purchase yourself. However, in the enthusiasm of
such a project, things tend to get overlooked. If delivered wallpaper rolls do
not have the same batch number, they
come from different production series
and may exhibit differences in colour
and structure. Repeat orders are also
problematic for that reason; often, rolls
from the same batch number are no
longer in stock.
In such a case, change the rolls in the
corners of the room. The varying way
in which light falls in corners can hide
any differences.
The “fan test” is suitable for obtaining
random samples of colour uniformity.
The wallpaper rolls are unrolled the
length of a table and laid on top of each
other, fanning them out.
Number of rolls for a wall at a room height of:
Room
circumference
2,10 to 2,35 m
2,40 to 3,05 m
3,10 to 4,00 m
6 m
3
4
5
10 m
5
7
9
12 m
6
8
11
15 m
8
10
14
18 m
9
12
17
20 m
10
14
19
24 m
12
16
23
31 m
15
19
25
Room circumfer. x height = no. of rolls required
5
Using this simple formula, the number of
required rolls can be determined for European
rolls having the dimensions 10,05 x0,53 m.
Cutting free match wallpaper to size
is fairly simple. It is enough to cut the
lengths 10-15 cm longer than the height
of the room. This way they can be easily
trimmed to the ceiling and skirting board
edges. For straight match designs, one
need simply lay the lengths on top of
each other for cutting. In the case of offset match patterns, though, every second
length must be shifted enough to match
the pattern edges before it is cut. If the
pattern is large, the loss due to this shifting can quickly add up to 1 – 2 additional
rolls per room.
69
2
1
Wallpapering Tools
Implements for the Paperhanger
3
1. Wallpapering scissors are the
symbol of paperhangers. However,
nowadays they are being replaced
ever more often by more efficient
tools such as a straight edge and a
utility knife.
2. An edge trimmer is used especially
for a double-seam cut.
3. A chalk line can be used to quickly
draw straight, long lines, even on ceilings.
4. A utility knife with a breakable
blade should always be on hand when
hanging wallpaper.
5. A conical seam roller is ideal for
smoothing down a protruding wallpaper seam. However, use caution with
embossed paper wallpaper.
6. A seam roller made of soft plastic is
used for sensitive wallpaper surfaces.
7. A paint scraper has many uses: to
plug up damaged spots in the plaster,
to remove sticky wallpaper and paint
residue, and lots more.
8. Corner rollers are used to fold over
“stubborn” wallpaper at the edges and
corners. However, they are not recom-
4
5
6
7
mended for wallpapers with sensitive
surfaces or paper wallpaper.
9. A perforating roller (or spike roller)
and
10. A Paper Tiger scoring tool is
used to remove old wallpaper. Using
them, old wallpaper that is stuck fast
can be perforated such that the wallpaper stripper solution can be better
absorbed and dissolve the old paste.
11. Using the scoring spatula, plaster
and filler ridges, paint droplets and
other protrusions can be scraped off
before wallpapering.
12. Knockdown scrapers help remove ridges and old residual paint
from larger wall and ceiling areas.
13. A paste syringe can aid in filling
in air pockets and wallpaper bubbles.
14. A plumb line is needed to draw
an accurate perpendicular for the first
strip of wallpaper.
15. Paint rollers made of artificial
fibres are suitable for applying paste
to walls. When rollers with small naps
are used, they are less likely to splash
than those with longer naps.
15
11
8
10
9
19
16
17
16. A pressure roller made from foam
rubber or soft plastic is the most useful
tool with which to press the wallpaper
strip to the wall. It is suitable for nonwoven, metallic, textile and textured
wallpapers.
17. A ceiling brush is used for moistening, neutralising, priming and pasting. For these jobs, there are specially
developed bristle qualities that can
vary greatly in their durability and liquid
absorption.
18. A straight-edged wallpaper rail
serves as a cutting rule for wall and
wallpaper table.
19. Linen gloves are recommended
when dealing with sensitive wallcoverings such as metallic or velour
wallpaper.
20. Soft wallpaper brushes are primarily used to press embossed paper
or non-woven wallpaper with a sensitive surface.
21. The wallpaper cutter with a
notched edge is very versatile and is
especially suited to cutting lengths of
wallpaper.
14
13
22. Wallpaper smoothers are only
suitable for wallcoverings with a sturdy
surface, such as smooth nonwoven
wallpaper, lining paper or glass fibre
wallpaper. However, they are also used
as a cutting edge.
23. The triangular straight edge is
generally used to cut off the bottom
of the wallpaper strip. It can prevent
the skirting board from being smeared
with paste, and is also ideal for carpets.
24. A utility knife can be used to
quickly cut a length of wallpaper on
the wallpaper table.
25. A wallpaper brush is mainly used
with woodchip and simple paper wallpapers. It is less suitable for nonwoven
materials.
18
20
21
22
12
24
25
23
72
Applying Wallpaper
Efficient Application Techniques
Pastes and glues
Selecting the proper adhesive is decisive for the quality of the wallpapering
work. Depending on application, wall
surface and type of wallpaper, special
pastes or glues are necessary. For
absorbent wall surfaces and paper
wallpapers, methyl cellulose pastes
in various mix ratios are used. For
surfaces that have little or no absorption, glues with plastic dispersion additives are necessary. In any case, the
adhesive should be chemically neutral,
transparent when dry, and non-toxic.
For paper wallcoverings, simple wallpaper paste is sufficient. This normal
paste is a grainy powder that is mixed
with water. The right mix ratio is indicated by the paste and wallpaper
manufacturers on the package and
package insert.
Synthetic wallcoverings on paper
backing material, such as textured
wallpaper, require, as do non-woven
wallcoverings, a paste with synthetic
resin redispersion powder. This means
it is reversible, and wallpapers pasted
with it can be subsequently completely
stripped off without residue.
In the shops, these are called special
or premix pastes, or for wallpapering
machines, machine-grade pastes are
available.
Paintable wallcoverings and heavy
wallpapers require an adhesive with
especially high initial bonding. For
such coverings, strippable pastes in
powdered form are not employed, but
rather premixed dispersion adhesives.
Finally, wallcoverings such as those
made of glass fibre and surface materials such as insulating boards remain
on the wall and ceiling surfaces. During
renovation work, they are painted or
pasted over.
Powdered paste is
sprinkled into cold
water while stirring constantly.
The mixture must
rest 10 – 20 minutes and subsequently be stirred
vigorously.
The manufacturer indicates the
proper mix ratio.
Paintable non-woven wallpapers represent an exception. Depending on their
quality, they are pasted with strippable
paste and can be stripped off in a dry
state.
For wallcoverings with a plastic substrate and for natural material, velour
and metallic wallpapers, there are
special adhesives.
Prepasted wallpaper is only available
on the German market in the DIY
branch. Such wallpaper strips are
simply dipped briefly in water, which
activates the adhesive. However, this
method is not sufficient for professionals, since the adhesive power is
often not strong enough, and at most
sufficient for light paper wallcoverings.
73
Pasting
Depending on the type and pattern repeat distance, the wallpaper strips are
either cut in advance or the entire roll
is placed into the wallpaper machine.
Modern wallpaper pasting machines
are equipped with some very useful
features: a counter to determine the
exact length, a circular knife, a setting
lever to adjust paste amounts, a ribbed
paste roller for a uniform adhesive film
and much more. For tight spaces, compact units with built-in wallpaper table
and counter space are ideal.
When pasting, the wallpaper is pulled
out of the machine to match the length
of the wall, then cut and “booked”, or
folded such that the top portion is 2/3
of the overall length and the bottom is
1/3 of the overall length.
If the wallpaper does not have a formstable substrate, such as paper wallcoverings or plastic coverings with a
paper backing, the pasted strip should
not be hung immediately. According to
the manufacturer’s instructions, the
paper needs a certain “booking time”.
To do this, the paper is folded up, and
74
in the case of heavy textured wallpaper, additionally rolled up. In the case
of light paper wallpaper, the stipulated
booking time will be relatively short;
for heavier coverings, correspondingly longer. During the booking time,
the fibres in the paper swell and the
wallpaper expands somewhat.
Modern non-woven
wallpapers can be
applied with a wallpapering machine or
using the wall adhesive technique.
The rule of thumb is: The booking time
must be kept constant for all wallpaper
strips and the paste layer uniform and
sufficiently thick. This is important for
clean seams and proper positioning of
the wallpaper. If you adhere to these
simple rules, you will be rewarded with
favourable results.
Non-woven wallpapers or those with
non-woven substrates are even simpler to hang. Non-woven wallpaper
is especially stable with regard to
dimension. That is to say, it does not
!
exhibit shrinkage due to tension from
drying, there is no warping or soaking
through of the paper and no tearing
when pasted. Non-woven wallpapers
do not require booking time. They can
either be pasted using the wallpaper
machine or by the wall-pasting method. This means that paste is applied to
the wall itself, and the dry non-woven
wallpaper is placed on the pasted wall.
When using rolls of lining paper,
the booking time must be observed.
Only then can shifting of the pattern match and bubbles on the
wallpapering surface be avoided.
Non-woven and plastic wallcoverings on non-swelling substrates
do not require a booking time.
They can be hung immediately.
75
Hanging Wallpaper
In order to make sure the wallpaper
strips are hung straight, the first
strip on every wall is plumbed with a
distance of 51 cm to the corner. We
always paper with the light, which
means starting at the window. This
is different for large motifs and photo
wallpaper. Here, it is better to start
in the middle of the optically most
important wall. Generally, in the living
room, this means the area behind the
sofa, and in the dining room, the wall
across from the window.
Wallpaper is almost always hung
edge-to-edge, to keep seams as inconspicuous as possible. The strips
are hung with an overhang about as
wide as your hand (about 15 cm) at
the ceiling and floor, then smoothed
onto the wall from top to bottom,
76
avoiding the formation of bubbles.
Then the overhang at the ceiling and
floor ends is cut off flush. As a rule,
the wallpaper strips are all hung in the
same direction and vertically. Strips
are only hung upside-down when the
arrow symbols on the label so indicate:
In this case, every other strip is rotated
180° and hung upside-down.
A relatively recent phenomenon is
wallcoverings that are hung horizontally.
This is aesthetically sensible for a few
design-oriented wallcoverings with
wide stripes, colour gradients or artistic, digitally-printed papers.
In any event, you must make absolutely certain that no paste oozes out
at the seams, and if so, carefully wipe
the area clean.
In general, remember that sensitive
wallpaper edges should be smoothed
onto the wall with just a slight amount
of pressure and the proper seam roller.
If seams stick out over the entire
length of a strip or if bubbles form on
the surface, this indicates insufficient
booking time, an incorrect paste mix
ratio, or paste that is too thin. In such
cases, the seam roller only serves to
damage the edges. It is better to add
more paste and glue the edges down,
then regulate the amount of paste accordingly.
Today, there is no longer the need to mark the
overhang at the ceiling
and floor with the back
of a scissor blade and
subsequently cut it
off with scissors. Utility knives and cutting
edges are much more
precise and quick for
this job.
Especially for rippled,
uneven inner corners,
a wallpaper smoother
is useful.
For clean, straight cut
edges, however, a wide
cutting rule matching
the width of the strip is
generally used.
77
Detail Work
Seams, Corners and Edges
Professional paperhangers hang wallpaper edge-to-edge. The obsolete
practise of hanging strips with a narrow vertical overlap is only done with
thin Simplex paper wallcoverings. The
general rule is: Always start hanging
where the light falls.
Double-Cut Seams
Since the invention of the edge trimmer, seams are no longer a problem for
novice paperhangers. Using an edge
trimmer, even voluminous and heavy,
textured wallpapers can be cut without
damaging the underlying surface.
For the double cut, the edges of
two wallpaper strips overlap a few
centimetres. Using a utility knife, the
overlap is slit about 15 cm down, and
the edge trimmer is then slid into the
cut and the cut is extended by hand
down the length of the strip to the end.
Both loose cut-off strips can then be
removed. If the blade was sharp, a
perfect seam results. Finally, any paste
spots are removed, and the seam is
pressed onto the wall either by hand
or using a seam roller.
Double-cutting seams
using an edge trimmer is
precise and safe for the
underlying surface.
78
Inside Corners
Corners are fairly easy to paper. First,
paste is applied to the corner. Then
the overlap is cut using a utility knife
and smoother such that the wallpaper
overhang is as wide as the spatula. For
wallpapers with free match edges and
plumb walls, the following strip can
then be pasted exactly in the corner.
Both strips will only overlap a few millimetres in the corner.
Even if the inside corner itself is not
straight, the next strip of wallpaper
should still be plumbed. When doing
so, the corner will once again be overlapped by a few centimetres. Then the
wallpaper is pressed into the corner
with a plastic spatula and cut along the
marked pressure line with wallpaper
scissors.
In the case of patterned wallpaper,
this strip is first split vertically in line
with the pattern and then pasted into
the corner taking care to match up the
patterns.
Generally, for large-pattern wallpaper,
the order in which wallpapering is done
must be carefully planned. It is best to
start in the centre of the largest wall
surface and end in an unimportant
corner of the room. A non-matching
pattern situation is bound to turn up,
but it should be situated hidden behind
a cabinet or in a low-lit corner, or perhaps covered by curtains.
!
If a spot of paste ends up on the right side
of the wallpaper during hanging, the first
rule is: don’t panic. It can happen to anyone. Best is to wipe away the paste spot
immediately with a damp sponge and
then carefully blot the area dry.
Outside Corners
If pattern and motif allow, thin paper
wallpaper can also be pasted with an
overlap on corners. The wallpaper strip
is glued around the corner by about a
finger’s breadth and the edge pressed
on using a finger.
To be on the safe side, the edge is
subsequently re-pasted and the next
strip is hung overlapping to the corner.
In the case of hot-embossed or other
synthetic wallcoverings, only a special
dispersion adhesive in a tube will hold
here.
In the case of expensive or heavy
paper, the strips are not pasted to overlap. The outside corner, for instance,
is covered about 15cm and shortened
just a few millimetres using a steel
ruler and utility knife. In this way, you
can ensure that the next strip will be
positioned exactly edge to edge.
Of course, in the case of patterned
wallpaper, this only works if the cutoff
waste is as little as possible. Two to
three millimetres will hardly make a
difference, but any more would mar
the look of the pattern.
In hotels and other well-frequented
buildings, outer corners need special
protection. In these cases, they are
reinforced with a plastic or stainless
steel corner strip.
80
Such protective corner strips are fastened with a dispersion adhesive and
evened out with filler before wallpapering. The wallpaper strip is then pasted
over the corner and cut away along the
ridge of the protective corner strip with
a utility knife.
Corner strips are also useful for wallpapers with sensitive surfaces or
stubborn wallcoverings. Furthermore,
when you wish to change the design
from one wall to another, the corner
strip helps to separate the patterns.
Thus, the two different themes can be
combined without allowing the edge
to appear frayed or imprecise.
Nowadays, wallpaper scissors are
hardly used anymore. When wallpapering around baseboards, doorframes
and structural reveals, it is better to
use straight edges and utility knives.
For window and door recesses, the
following method is optimal: Hang
the first wallpaper strip at the window such that the window recess is
sufficiently covered. The excess is
precisely cut out using a utility knife
on the edge of the upper recess. Then,
the wallpaper is cut off vertically in
line with the corner of the recess; the
next wallpaper strip is then positioned
above the window, edge to edge.
Finally, the overlaps are cut away
with a smoother and a utility knife.
The wallpaper runs a few millimetres
around the inner corner, covering the
gap between window frame and wall
connection.
!
Wallpaper is not hung
behind heating radiators.
Instead, the wall behind
the radiators is painted
in a colour matching the
wallpaper.
81
Wallpapering Ceilings
No Problem for Experts
With modern non-woven wallpaper,
whether ready-designed or paintable,
a ceiling can also be neatly wallpapered without extensive effort.
Procedure
The ceiling is the largest visible area in
the room. Thus, when streaks of light
hit it, flaws in the underlying surface
are especially evident. While it is true
that modern non-woven wallpapers
compensate for many a flaw, the ceiling is a spot where you should not
skimp on careful preparation.
If possible, the ceiling is wallpapered
in the direction of the light. This makes
the seams as invisible as possible.
If two people work on the ceiling
together, the wallpaper task is not
difficult. First, a parallel starting line is
drawn with a chalk line. At the standard
width of 53 cm, the line should have a
distance of 51 cm to the wall.
The first wallpaper strip, cut to the
length of the ceiling, is positioned
along the marked line and pressed
into place with the foam rubber roller.
82
Since it is about 2 cm wider than the
drawn space, the wallpaper strip will
run somewhat around the corner, thus
evening out any irregularities between
ceiling and wall. The excess strip is cut
back with the smoothing spatula and
utility knife.
All other strips are positioned edge to
edge, and the seam is pressed on by
hand or with a conical seam roller.
When paper wallpaper is pasted to
large, long ceilings, the strips may
become distorted. It is best to have
two people working to paste the paper
and operating as quickly as possible.
While one person positions the strip to
the wallpaper edge, the other makes
sure they are parallel. In order to stress
paper wallcoverings as little as possible, they are folded accordion-style,
and only as much as is needed at one
time is unfolded.
If both the walls and ceilings are to
be wallpapered, the ceiling should
always be done first.
!
Openings, for example for recessed
lighting, are not cut
until after the paper
has been hung.
Creative Borders
Accentuate, Divide, Lend Style
Borders are more than just a decorative finish to the wall. They change
room proportions, divide large wall
surfaces, provide accents and mark
transitions.
Borders situated near the ceiling direct
one’s gaze upward and create an optical balance to furniture and accessories. As a frieze near the floor, a border
divides the wall and forms a horizontal
line that makes the room seem more
open. In contrast, when positioned
vertically, borders add height to the
room.
In addition to these proportion-changing characteristics within a room, borders can also emphasise architectural
details and create a transition between
varying wallpaper patterns. Most of
all, they serve as a significant source
of style in the room.
Specialty shops generally offer borders in
lengths of 5 or 10 m.
Their widths vary from
between a few centimetres to an entire wallpaper width of 53 cm,
depending on the motif.
84
Hanging Borders
Depending on the type of base wallpaper, hanging borders can vary quite
a bit. The easiest wallpapers to adorn
with borders are smooth paper wallpapers having an absorbent surface.
A space does not need to be left for
the border; the appropriate border
can simply be pasted to the base
wallpaper.
Non-woven borders are also easy to
hang. Since a non-woven border needs
no booking time and does not shrink,
it can be hung without waiting using
the wall-pasting method. First, the
position of the border is marked with
a laser level or chalk line. If possible
for that particular motif, for instance
with a solid-coloured wallpaper, the
wallpaper strip above the border can
also be pasted horizontally.
The wallpaper strip is positioned at
the line and cut at the ceiling. Now the
border can easily be hung along the
edge of the wallpaper, edge to edge.
Finally, the lower wallpaper strips
are positioned at the lower edge of
the border. For textured wallpaper or
wallcoverings having a non-absorbent
surface, on the other hand, it is better
not to paste borders directly to the
wallpaper. While there are special
adhesives that enable direct pasting, it
is less of a risk to paste the border to
the wall first. The wallpaper strips to
be subsequently pasted to the wall can
be cut to size with a triangular straight
edge and a utility knife. Nevertheless,
it can sometimes be useful to paste
the border after the wallpaper is hung.
In such cases, the wallpaper strips
overlap the border area and are cut
precisely along the border edge.
One exception is peelable wallpaper.
Here, the border can also be hung after
the wallpaper is dry. The wallpaper is
scored to match the border position,
and the upper layer pulled off in a dry
state. After the respective booking
time, the border can then be pasted
on.
If a border is to frame a wall segment
or door, mitred edge cuts are required.
To fit the pattern exactly around the
corner and connect it is not exactly
easy. The best way is to try the starting point with a strip of dry border and
subsequently work with double-cut
seams directly on the wall.
85
Magnetic Wallpaper
A pin board for creative ideas,
a bulletin board with shopping
tips in the kitchen or a homework
board for the kids – all possible
with the new magnet boards.
Thin metal panels under the wallpaper establish the bond. Held in
place with a specially formulated
glue, they provide a good substrate for all types of wallpaper.
86
Wallpaper Ideas
Creativity for the Wall
Wallpapering is more than choosing
a design and gluing lengths in place.
Wall coverings are rich with creative
potential.
It’s exciting to go in new directions.
Being creative means leaving the worn
paths and inspiring the customer with
something novel.
Today’s wallpapers are as extraordinary as many a designer piece. An unbelievable wealth of designs, colours,
textures and patterns opens undreamt
of possibilities. With all this variety,
who wants to limit themselves to just
one single wallpaper?
An appealing idea is to place these
innovations on centre stage. Single
sections of wallpaper are mounted on
canvas stretchers and arranged in a
patchwork formation.
New elements can constantly be
added at whim. Thus a flexible wall
decoration for the home can be created, one that can be easily customized
according to one’s changing mood.
In a showroom, such a wallpaper collage becomes a decorative exhibit.
Like a collection of artworks, the newest wallpaper designs can present
themselves on the wall.
Here is another way to get an
overview of current wallpaper
trends. Stretched canvas, such
as artists use for paintings,
serves as the backing. The
wallpaper is simply applied
directly to the canvas.
87
Material Wallpapers
Trend toward Nature
Natural themes are a major trend
in current interior design. Whether
natural stone, slate or rough wooden
beams: walls that give us a feeling of
materials and their consistency are in
demand.
This is why today’s modern interior
design seeks surfaces that speak a
particular material language. Slate
walls appear elegant and sophisticated. Walls of natural stone give a
room solidity. Concrete-faced surfaces
represent modern architecture and
construction. And wood gives us a
sense of security.
Until recently, covering walls with
genuine concrete or natural stone
involved considerable time and effort.
Now there are alternatives: wallpaper
that imitates nature by means of its
texture and photorealistic design, or
material wallpapers that perfectly
mimic the natural ideal right down to
its consistency.
Embossed paper wall coverings and
textured wallpapers that imitate stone
and wood have been around for some
time. Newer are the wallpapers that,
like natural substance wallpapers, are
made of natural materials such as
sand, wood fibres, cork or chalk and
thus possess an unmistakable natural
consistency.
Good material wallpapers are difficult
to distinguish from their originals,
thanks to their variegated textures.
Every length is patinated and finished
by hand. This makes each length
unique and presents a constantly
changing picture, full of character.
These high-quality material
wallpapers are products for the
professional. Wallpaper and
glue work together in an intercoordinated system: during
hanging, the lengths are placed
on the pre-prepared adhesive
bed and pressed in place with a
foam rubber roller. Helpful tips
and tricks are best learned in
the training sessions provided
by the manufacturer.
Materials such as wood or
stone possess a language
all their own. Thus one can
send a particular message
in a room with material
wallpapers: a stone wall,
for instance, exudes stability and endurance. Wood
panels speak of a simple
naturalness. Concrete effects give a room an air of
objectivity and modernity.
Sandstone Wallpaper
In sandstone wallpaper manufacturers have scored another coup. These
are made primarily out of the natural
element sand. This material is applied
to an underlying non-woven layer
and gummed. Quite unlike its natural
model, sandstone wallpaper remains
flexible and can be handled like a wallpaper. In addition, sandstone wallpaper
permits a completely seamless installation, no matter how large the surface
area. Even curves and columns can be
easily covered.
In spite of its thickness, sandstone wallpapers can be cut easily with a cutter
knife. These papers are hung using a
wall adhesive technique. The adhesive,
specially developed for this purpose, is
spread onto the surface in an even layer
using a notched trowel. After a brief
airing time, one lays the raw length in
the adhesive bed and presses it into
place with a foam rubber roller or by
hand. Flaws are best corrected with
the help of a heat gun. When heated,
the material becomes flexible and can
thus be more easily adjusted.
Alongside sandstone, concrete and
slate, one can also find travertine replicas by the roll.
From a designer’s point of view, the
new material wallpapers are present
many possibilities. As wall coverings
in bars and other entertainment spaces
they create an impressively unique
atmosphere. In foyers and offices they
furnish a prestigious reception. And
in the private sphere they present a
head-turner to every visitor.
Sandstone wallpapers are
hung using the wall adhesive
technique, the edges butted.
When placing the lengths one
should pay attention to the
grain of the stone, because
every length has different
characteristics.
89
Digital Wallpapers
Personalized Motifs writ Large
One of the most spectacular developments of recent years is digital wallpaper. Where a designer or craftsman
previously was reliant on the designs
made available by manufacturers, now
one-of-a-kind wallpapers and photo
visions are a reality. Trendy bars, hip
pubs and boutique hotels entertain
their visitors with visual messages,
bold patterns and unusual motifs,
thanks to digital wallpaper. The possibilities are as limitless as one’s imagination.
From an exclusive designer collection
in a miniscule print run to an unique
work of art, whether a single motif or a
repeating pattern, anything is possible.
A repeat, as is dictated by the technology in traditional roll printing, becomes
superfluous. Thus the designs can be
as large as desired, even to the size of
the entire room itself.
From the idea to the finished printed
wallpaper are only a few short steps. A
photo often serves as the master pattern. If slides or negatives need to be
digitized, this is best done by specialized service providers. Digital photos
having an adequate resolution can be
prepared for printing directly on the
computer. This step is generally performed by the wallpaper manufacturer.
In addition, most suppliers of these
wallpapers also offer an extensive
collection of their own patterns and
picture motifs.
The hanging of a digitally printed wallpaper proceeds as easily as that of
any other non-woven
wallpaper. In the case
of very large motifs
one should take particular care to match
the design between
the lengths. Digital
wallpapers are increasingly also available
with various surface
designs, textures and
thicknesses. When it
is time to remodel, the
digital wallpaper can
be easily peeled from
the wall and a new favourite motif can take
its place.
Whether a photo or a graphic, the first
requirement for a supersized digital wallpaper print is the digital master. Good
general-purpose cameras and even some
smartphones are capable nowadays of
delivering picture data in sufficiently high
resolution.
Patterns generated on the computer can
be effortlessly reproduced in any size.
The quantity of data stored in this type of
“vector” data file remains relatively small.
Even floor-to-ceiling motifs in XXL sizes,
therefore, no longer pose a problem.
90
Functional Wallpaper
Soundproofing
Large, open living spaces with
floor-to-ceiling glass surfaces often
pose acoustic problems. Wallpapers with fibrous, textile surfaces
reduce the reverberation effects
and improve a room’s acoustics.
Minimizing Cracks
Hairline and drying cracks, such as
appear in new construction works
(among other places), can be easily
and quickly concealed with highquality reinforced wallpapers.
Mildew Prevention
A novel new non-woven wallpaper prevents the development of
mildew. How it works: nano-silver
particles embedded in the material
become active when they come
into contact with micro-organisms,
killing fungus spores and bacteria
for good.
What Wallpaper Can Do
Wallpapers today can do more. Increasingly, they assume not only
decorative roles, but also quite practical tasks. They are problem-solvers
for the building itself: for instance,
non-woven wallpapers with nanosilver particles protect from mildew
and bacteria. Others, by means of a
catalytic reaction, absorb and dispel
unpleasant odours.
EMC wallpapers can protect us from
the harmful effects of electro smog.
Ceramic wallpapers are extremely
sturdy and flame-resistant. Thermal
wallpapers have insulating effects and
acoustic wallpapers reduce echoing.
Such functional wallpapers are the
result of many years’ research and
development. After all, it is a long
way from the idea to the finished
wallpaper. It is definitely worthwhile
to keep an eye on the market and
take advantage of these innovative
products. It is exciting to consider
what new tasks wallpaper might take
over in the future.
Electro Smog
Originally developed for military
applications, shielding wallpapers
screen out electronic eavesdroppers on the WLAN just as well as
they protect against the reputedly
harmful effects of electromagnetic
radiation.
Interior Insulation
A special wallpaper lining helps
save energy. Applied to the cool
outer wall, it reduces the transfer of
heat to the outside. Any wallpaper
can then be affixed over it.
91
A.S. Création Tapetenstiftung
Südstraße 47
51645 Gummersbach
Tel. 02261 542-419
www.tapetenstiftung.de
http://itunes.apple.com/us/
Reference works and further information:
Sabine Thümmler,
Die Geschichte der Tapete. Raumkunst aus Papier.
Eurasburg 1998, ISBN 3-932353-21-8
[email protected]
app/tapete/id422579357?mt=8
Wolfgang Raith,
Wand-Konzepte mit innovativen Tapeten.
TERVEHN 2007, ISBN 978-3-935470-07-0
www.tervehn.de
Deutsches Tapeten-Institut GmbH
www.tapeten.de
Picture Credits
A.S. Création Tapeten AG: S. 2, 4, 8 o, 10 u, 11 o, 14, 15, 18 ol + or, 19 ol + or, 21 ml, 22 HG, 27, 28 u,
33 ol, 41 ol, 43 r, 61 ml, 72, 81, 83 u, 88, 89 um + or. Y. Arcurs: S. 21 ul. I. Khafizov: S. 21 ur. AKZO
Nobel: S. 8 m (ACC Farbsystem). C. Durocher: S. 21 or. Erismann & Cie: S. 33 ur, 68 om, 89 ol + om.
ESTA by Rasch Textil GmbH & Co. KG: S. 10 o. Fotolia: S. 22 ul, 90 ul + HG. Marburger Tapetenfabrik
J. B. Schaefer GmbH & Co. KG: S. 40 or, 46 ol. F. Pflügl: S. 21 ol. Pickhardt + Siebert GmbH: S. 16 o,
19 om. Projekt Photos: S. 60 mr. Tapetenfabrik Gebr. Rasch GmbH & Co. KG: S. 7o, 15 u, 18 om,
22 um, 33 ul + um, 39 or, 61 ul, 68 or, 85 or, 90 or. Wolfgang Raith: S. 5, 6, 8 r, 9, 12, 13, 14 or, 15 m,
16 mr, 17, 20, 22 or + ur, 28 o, 33 HG, 34, 35, 36, 37, 38, 39, 40, 42, 44, 45, 46, 59 ur, 60 or + ur, 61 o,
62, 63, 64, 65, 66, 67, 68 ol, 69, 70, 71, 73, 74, 75, 76, 77, 78, 79, 80, 81 HG, 82, 83, 84, 85 ul, 86, 87,
89 r, 90 ur, 91, all illustrations.
Imprint
Wallpaper 1x1
Wolfgang Raith - Ditzingen (Stuttgart)
TERVEHN GmbH · Verlag, 2012
ISBN 978-3-935470-22-3 © 2012 TERVEHN GmbH
Specialized Publishing House for Colour and Design, Berblingerstr. 14, 71254 Ditzingen, Germany;
www.tervehn.de
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